×

ISP system using non-geosynchronous orbit satellites

  • US 6,985,454 B1
  • Filed: 06/16/1999
  • Issued: 01/10/2006
  • Est. Priority Date: 01/26/1999
  • Status: Expired due to Term
First Claim
Patent Images

1. A satellite communication system comprising:

  • a plurality of satellites and a plurality of gateways,said satellite communication system being bidirectionally coupled to a terrestrial communication system through said plurality of gateways,said satellite communication system and said terrestrial communications system comprising together a data communication network having a plurality of nodes including source nodes, destination nodes and intermediate nodes,wherein multiple copies of a packet are selectively generated within the data communications network based on a criteria that includes at least one of (a) whether the packet was previously duplicated by a previous node, and (b) a direction of transmission, from source to destination or from destination to source,wherein said multiple copies of a packet coexist within the data communications network and are routed, using at least in part satellite-resident routers and gateway-resident routers, over a plurality of different paths between a particular source node and a particular destination node, andwherein at least one duplicate copy of a given packet is not used during the execution of a packet reordering procedure in the destination node, or at an intermediate node.

View all claims
  • 8 Assignments
Timeline View
Assignment View
    ×
    ×